The Leading Cause of Bacterial Meningitis in Adults Is

Question

The leading cause of bacterial meningitis in adults is
A)Escherichia coli.
B)Haemophilus influenzae.
C)Streptococcus pneumoniae.
D)Neisseria meningitidis.

Accepted Answer

Streptococcus pneumoniae is the leading cause of bacterial meningitis in adults, accounting for over 50% of cases. Neisseria meningitidis is more common in children and young adults, while Haemophilus influenzae is rare due to the availability of a vaccine. Escherichia coli may cause meningitis in newborns or those with weakened immune systems.